<template>
  <view>
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    <!-- 轮播图 -->
    <view>
      <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
        <swiper-item v-for="(item,i) in swiperList" :key="i">
          <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id='+ item.goods_id">
            <image :src="item.image_src"></image>
          </navigator>
        </swiper-item>
      </swiper>
    </view>
    <!-- 分类导航 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    <!-- 楼层 -->
    <view class="floor-list">
      <view class="floor-item" v-for="(item,i) in floorList" :key="i">
        <image :src="item.floor_title.image_src" class="floor-title"></image>
<!-- 楼层图片区域 -->
<view class="floor-img-box">
  <!-- 左侧大图片的盒子 -->
  <navigator class="left-img-box" :url="item.product_list[0].url">
    <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
  </navigator>
  <!-- 右侧 4 个小图片的盒子 -->
  <view class="right-img-box">
    <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
      <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
    </navigator>
  </view>
</view>
      </view>
    </view>
  </view>


</template>

<script>
  export default {
    data() {
      return {
        swiperList: [], //轮播图
        navList: [],
        floorList: [],
      }
    },
    onLoad() {
      //在小程序页面刚加载的时候，调用获取数据的方法
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods: {
      //轮播图请求
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/swiperdata')
        if (res.meta.status !== 200) {
          //已经封装好
          return uni.$showMsg()
        }
        //请求成功
        this.swiperList = res.message
      },
      //分类请求
      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/catitems')
        if (res.meta.status !== 200) {
          //已经封装好
          return uni.$showMsg()
        }
        //请求成功
        this.navList = res.message
      },
      //获取楼层图
      async getFloorList() {
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status !== 200) return uni.$showMsg()
        
        // 通过双层 forEach 循环，处理 URL 地址
          res.message.forEach(floor => {
            floor.product_list.forEach(prod => {
              prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
          })
        this.floorList = res.message
        console.log(this.floorList)
      },


      // nav-item 项被点击时候的事件处理函数
      navClickHandler(item) {
        console.log(item)
        // 判断点击的是哪个 nav
        if (item.name === '分类') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      
      gotoSearch() {
        uni.navigateTo({
          url: '/subpkg/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;

    .nav-img {
      width: 120rpx;
      height: 120rpx;
    }
  }

  .floor-item {
    .floor-title {
      height: 60rpx;
      width: 100%;
    }

    .right-img-box {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
    }

    .floor-img-box {
      display: flex;
      padding-left: 10rpx;
    }
  }
  
  .search-box {
    // 设置定位效果为“吸顶”
    position: sticky;
    // 吸顶的“位置”
    top: 0;
    // 提高层级，防止被轮播图覆盖
    z-index: 999;
  }
</style>